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Table 2 Patient characteristics

From: Overall intact cognitive function in male X-linked adrenoleukodystrophy adults with normal MRI

 

Number of patients (%) or median (range)

Number of Dutch male population (%) or median (range)a

N (Total)

33

5,446,000

Age in years

44 (19–71)

(15–100)

Education

 1: < Primary education

0 (0)

0 (0)

 2: Primary education

0 (0)

464,000 (8.5)

 3: < Lower vocational education

1 (3)

302,000 (5.5)

 4. Lower vocational education

2 (6.1)

1,290,500 (23.7)

 5. Secondary vocational education

14 (42.4)

1,272,500 (23.4)

 6. (higher) Secondary education or university of applied sciences

14 (42.4)

1,507,000 (27.7)

 7. University bachelor or masters degree.

2 (6.1)

610,000 (11.2)

MRI

 Normal MRI (no lesions)

15 (45.5)

 

 MRI with ALD lesions

4 (12.1)

 

 MRI with vascular lesions

12 (36.4)

 

 MRI with other lesions

2 (6.1)

 
  1. Education scores are measured according to Verhage’s (1983) educational classification system [28]
  2. a Data from the Dutch male population (2016) derived from CBS (Central Statistical Office Netherlands) and is available online [28]